--- a/c/feature-based-tracking.cpp	Mon Oct 17 14:16:50 2011 -0400
+++ b/c/feature-based-tracking.cpp	Tue Oct 25 19:01:21 2011 -0400
@@ -245,7 +245,7 @@
   bool success = trajectoryDB->connect(params.databaseFilename.c_str());
   vector<boost::shared_ptr<Trajectory<Point2f> > > trajectories;
   cout << trajectories.size() << endl;
-  success = trajectoryDB->read(trajectories, "positions"); // TODO load velocities as well
+  success = trajectoryDB->read(trajectories, "positions"); // TODO load velocities as well in a FeatureTrajectory object // attention, velocities lack the first instant
   cout << "Loaded " << trajectories.size() << " trajectories" << endl;
   // for (int i=0; i<5; ++i) {
   //   stringstream ss;
@@ -253,11 +253,6 @@
   //   cout << ss.str() << endl;
   // }
 
-  // create views for first and last instants for each trajectory
-  // CREATE  VIEW IF NOT EXISTS trajectory_first_instants AS select trajectory_id, min(frame_number) as first_instant from positions group by trajectory_id
-  // CREATE  VIEW IF NOT EXISTS trajectory_last_instants AS select trajectory_id, max(frame_number) as last_instant from positions group by trajectory_id
-  //select trajectory_id from trajectory_first_instants where first_instant = 49
-
   trajectoryDB->createViewInstants("first");
   trajectoryDB->createViewInstants("last");
 
@@ -266,9 +261,13 @@
   for (int frameNum = params.frame1; ((frameNum-params.frame1 < params.nFrames) || (params.nFrames < 0)); frameNum++) {
     vector<int> ids;
     cout << "frame " << frameNum << " " << trajectoryDB->trajectoryIdStartingAt(ids, frameNum) << endl;
+    cout << ids.size() << ": ";
     BOOST_FOREACH(int i, ids)
       cout << i << " ";
     cout << endl;
+
+    // should the trajectory be loaded one by one? yes
+
   }
 
   trajectoryDB->endTransaction();